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128151651770745 = 3545831864159601
BaseRepresentation
bin11101001000110110100001…
…101011100110000101111001
3121210202011210221201121011120
4131020312201223212011321
5113244114040323130440
61132320020040415453
735664436253036001
oct3510664153460571
9553664727647146
10128151651770745
11379188a0577389
1212458794a77589
135667858861405
1423908045cd001
15ec37ba1c3dd0
hex748da1ae6179

128151651770745 has 16 divisors (see below), whose sum is σ = 205087382773632. Its totient is φ = 68332634297600.

The previous prime is 128151651770743. The next prime is 128151651770789. The reversal of 128151651770745 is 547077156151821.

It is not a de Polignac number, because 128151651770745 - 21 = 128151651770743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128151651770743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932011056 + ... + 932148545.

It is an arithmetic number, because the mean of its divisors is an integer number (12817961423352).

Almost surely, 2128151651770745 is an apocalyptic number.

128151651770745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128151651770745 is a deficient number, since it is larger than the sum of its proper divisors (76935731002887).

128151651770745 is a wasteful number, since it uses less digits than its factorization.

128151651770745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864164192.

The product of its (nonzero) digits is 16464000, while the sum is 60.

The spelling of 128151651770745 in words is "one hundred twenty-eight trillion, one hundred fifty-one billion, six hundred fifty-one million, seven hundred seventy thousand, seven hundred forty-five".

Divisors: 1 3 5 15 4583 13749 22915 68745 1864159601 5592478803 9320798005 27962394015 8543443451383 25630330354149 42717217256915 128151651770745